FormulaSheetMid1_F09

FormulaSheetMid1_F09 - sx = b1 = n XY ( X ) ( Y ) n ( X ) (...

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( 29 2 1 1 x x n s i x - - = ( 29 ( 29 ( 29 ( 29 [ ] ( 29 ( 29 [ ] - - - = - - - = = y i n i x i s y y s x x n Y Y n X X n Y X XY n r 1 2 2 2 2 1 1 ( 29 ( 29 ( 29 = - - = x y s s r X X n Y X XY n b 2 2 1 ) ( X b Y b - = 0 Population mean and variance of discrete random variable formulas : i i X p x = μ i i X p x 2 2 ) ( σ - = Dispersion of linear combinations of random variables:
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This note was uploaded on 12/06/2009 for the course ECON 41 taught by Professor Guggenberger during the Spring '07 term at UCLA.

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